A River Flows Toward the East at 2

question 11

Multiple Choice

A river flows toward the east at 2.2 m/s. Steve can swim 2.5 m/s in still water. If he wishes to cross the river so that his direction is directly northward, how long will it take him to cross the 75 m wide river?

• A) 34 s
• B) 39 s
• C) 30 s
• D) 63 s